Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jan. 31, 2013	Apr. 30, 2012
ASSETS
Cash and cash equivalents	$ 4,436	$ 4,752
Accounts receivable, net of allowances of $270 at January 31, 2013, and $345 at April 30, 2012	9,623	10,968
Prepaid expenses and other current assets	1,079	1,805
Total current assets	15,138	17,525
Property and equipment, net of accumulated depreciation of $5,447 at January 31, 2013 and $4,837 at April 30, 2012	2,122	2,827
Goodwill	11,706	11,706
Intangibles, net	7,536	8,690
Other assets	960	1,121
Total assets	37,462	41,869
Current liabilities:
Accounts payable	553	450
Current portion of long term debt	1,120	2,945
Accrued compensation and related expenses	2,397	2,465
Common stock warrant liability	266	569
Other accrued liabilities	1,215	819
Deferred revenue	6,392	8,412
Total current liabilities	11,943	15,660
Long term debt, net of current portion	17,094	18,306
Deferred tax liabilities, net	835	734
Other long term liabilities	1,079	1,148
Total liabilities	30,951	35,848
Commitments and contingencies
Stockholders' equity:
Preferred stock	2	2
Common stock	15	15
Additional paid-in capital	100,050	99,860
Accumulated other comprehensive income	299	341
Accumulated deficit	(93,855)	(94,197)
Total stockholders' equity	6,511	6,021
Total liabilities and stockholders' equity	$ 37,462	$ 41,869